My MP4 player isn’t in my bag. Where I have put it?A. canB. mustC. shouldD. would

问题补充：

My MP4 player isn’t in my bag. Where I have put it?

A. can

B. must

C. should

D. would

答案：

(答案→)A. can

B. must

C. should

D. would

解析：can用于疑问句表示推测。